The effect of animal faeces on the environment was discussed according to analysis of animal facces. 通过对动物排泄物成分的分析，讨论其对环境的影响。
Hydrogen sulfide, another chemical released from animal waste, can cause irreversible neurological damage, even at low levels. 另一个动物排泄物释放的化学物硫化氢，即使浓度较低，也会导致不可逆转的神经损害。
